By default EMMC boot partition is locked. This prevents fw_setenv
utility to configure the u-boot environment from Linux.
This commit adds a patch that unlocks the EMMC boot partition just
before writing into it and then locks it again once the environment is
written.
https://jira.digi.com/browse/DEL-1021
Signed-off-by: Javier Viguera <javier.viguera@digi.com>
Javier Viguera